1. 1.(-7) (-2) 2.(3)(-6) 3.(4)(5) 4.(-3) (4t) 5.(2)(-2x) 6.(7y)(3) 7.3(s+5) 8.4(-n+2) 9.4-(t+2) 10.3n+(2-n) Algebra S9 Day 21

2. 1.(-7) (-2) = 14 2.(3)(-6) = -18 3.(4)(5) = 20 4.(-3) (4t) = -12t 5.(2)(-2x) = -4x 6.(7y)(3) = 21y 7.3(s+5) = 3s+15 8.4(-n+2) = -4n+8 9.4-(t+2) = -t+2 10. 3n+(2-n) = 2n+2 Algebra S9 Day 22

3. Multiplying Polynomials: Distributive Property

4. Algebra S9 Day 24

5. 5

6. 6

7.  Now you can do #1-6 Algebra S9 Day 27

8. Multiplying Polynomials: Binomial Distribution

9. Algebra S9 Day 29

10. This distribution method has a special name to help remind us what to do: F-O-I-L Method Algebra S9 Day 210

11.  Multiply the First terms  Multiply the Outside terms  Multiply the Inside terms  Multiply the Last terms  Then add the inside and the outside products. Algebra S9 Day 211

12. (x+3)(x+5) First: x 2 Outside: 5x Inside: 3x Last: 15 F O I L x 2 + 5x + 3x + 15 x 2 + 8x + 15 Algebra S9 Day 212

13. Algebra S9 Day 213

14. Algebra S9 Day 214

15. Algebra S9 Day 215

16. Algebra S9 Day 216

17.  Now you can do #7-15 Algebra S9 Day 217